Home / 95,426.80-143,140.20-87,823.60

Finding the Fourth Proportional to 95,426.80, 143,140.20 and 87,823.60

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Solution

The fourth proportional to 95,426.80, 143,140.20 and 87,823.60 is: 131,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,426.80 : 143,140.20 = 87,823.60 : x
  2. Step 2: Convert to fraction form
    95,426.80/143,140.20 = 87,823.60/x
  3. Step 3: Cross multiply
    95,426.80x = 143,140.20 × 87,823.60
  4. Step 4: Simplify right side
    95,426.80x = 12,571,087,668.72
  5. Step 5: Solve for x
    x = 12,571,087,668.72/95,426.80
  6. Step 6: Final answer
    x = 131,735.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.